Base | Representation |
---|---|
bin | 11100000011010011… |
… | …001011111101100100 |
3 | 2212202010100021010012 |
4 | 130003103023331210 |
5 | 443141223214302 |
6 | 21500442545352 |
7 | 2114255621144 |
oct | 340323137544 |
9 | 85663307105 |
10 | 30120132452 |
11 | 11857036353 |
12 | 5a07208258 |
13 | 2ac02373a7 |
14 | 165a39a924 |
15 | bb4458a52 |
hex | 7034cbf64 |
30120132452 has 12 divisors (see below), whose sum is σ = 52718265600. Its totient is φ = 15057770856.
The previous prime is 30120132431. The next prime is 30120132467. The reversal of 30120132452 is 25423102103.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544148 + ... + 596939.
It is an arithmetic number, because the mean of its divisors is an integer number (4393188800).
Almost surely, 230120132452 is an apocalyptic number.
It is an amenable number.
30120132452 is a deficient number, since it is larger than the sum of its proper divisors (22598133148).
30120132452 is a wasteful number, since it uses less digits than its factorization.
30120132452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1147690 (or 1147688 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
Adding to 30120132452 its reverse (25423102103), we get a palindrome (55543234555).
The spelling of 30120132452 in words is "thirty billion, one hundred twenty million, one hundred thirty-two thousand, four hundred fifty-two".
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